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I'm having difficulty getting going with truffle and testrpc.

The steps I've taken are:

  • Create a blank project and initialise with truffle init
  • Start testrpc with testrpc

Trying truffle migrate or truffle test then gives me "

Error: authentication needed: password or unlock
at Object.InvalidResponse (/usr/local/lib/node_modules/truffle/node_modules/web3/lib/web3/errors.js:35:16)
at /usr/local/lib/node_modules/truffle/node_modules/web3/lib/web3/requestmanager.js:86:36
at XMLHttpRequest.request.onreadystatechange (/usr/local/lib/node_modules/truffle/node_modules/web3/lib/web3/httpprovider.js:118:13)
at XMLHttpRequestEventTarget.dispatchEvent (/usr/local/lib/node_modules/truffle/node_modules/xhr2/lib/xhr2.js:64:18)
at XMLHttpRequest._setReadyState (/usr/local/lib/node_modules/truffle/node_modules/xhr2/lib/xhr2.js:354:12)
at XMLHttpRequest._onHttpResponseEnd (/usr/local/lib/node_modules/truffle/node_modules/xhr2/lib/xhr2.js:509:12)
at IncomingMessage.<anonymous> (/usr/local/lib/node_modules/truffle/node_modules/xhr2/lib/xhr2.js:469:24)
at emitNone (events.js:91:20)
at IncomingMessage.emit (events.js:185:7)
at endReadableNT (_stream_readable.js:974:12)

From what I've read this seems like an error with accounts being locked, but testrpc's documentation suggests that by default it will create 10 accounts which are unlocked - unless you specify --secure?

  • Try starting testrpc with $ testrpc -u 0 -u 1. Resolved? – Rob Hitchens - B9lab Apr 6 '17 at 9:53
  • @RobHitchens nope, same result – mbdavis Apr 6 '17 at 10:02
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I had another instance of geth running, which truffle was trying to use instead of testrpc, and I hadn't deployed.

  • Make sure testrpc is the only geth instance running
  • Call truffle deploy before trying truffle migrate or truffle test
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You have prob with testrpc,just try to restart it after you deploy with truffle. You can watch this tuto: truffle+MetaMask+testrpc

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